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The Siemens 5SJ4103-7HG42 is a 1-pole miniature circuit breaker from the SENTRON series, designed for professional electrical and automation applications in mechanical engineering and industry.
This circuit breaker offers a rated current of 3A at 30°C and a switching capacity of 10kA according to EN 60898. It operates with a C-trip characteristic and has an insulation voltage of 440V AC. The device is suitable for AC/DC voltage types and supports various operating voltages, including a maximum of 277V AC according to UL 489 and CSA C22.2 No. 5-02.
Designed for DIN rail mounting, the 5SJ4103-7HG42 has a compact width of 18mm and a depth of 70mm. It features combined terminals at the top and bottom for flexible connections. The product is halogen-free, sealable, and silicon-free, contributing to its suitability for demanding industrial environments. It also supports the installation of supplementary devices.
With a mechanical service life of typically 10,000 switching cycles, this circuit breaker is built for reliability. It is rated with an IP20 protection class with connected conductors and IP40 in the handle range. The device is compliant with various approval agencies including CCC, CE, CSA, EAC, UL489, and VDE.
The rated current is 3A at 30°C and 40°C.
It has a C tripping characteristic.
The switching capacity is 10kA according to EN 60898 and 15kA according to IEC 60947-2.
It is designed for DIN rail mounting.
The dimensions are 121mm height, 18mm width, and 70mm depth.
It holds approvals including CCC, CE, CSA, EAC, UL489, and VDE.
The maximum operating voltage is 277V AC according to UL 489 and CSA C22.2 No. 5-02.